fix(rel): update image tags from insiders (#592)

Update image tags from insiders to a know version. `sg ops` will not
pickup insiders and misses the tag in our release workflow.

### Checklist

- [x] Follow the [manual testing
process](https://github.com/sourcegraph/deploy-sourcegraph-helm/blob/main/TEST.md)
- [x] Update
[changelog](https://github.com/sourcegraph/deploy-sourcegraph-helm/blob/main/charts/sourcegraph/CHANGELOG.md)
- [x] Update [Kubernetes update
doc](https://docs.sourcegraph.com/admin/updates/kubernetes)

### Test plan

CI - manual test

Author: jdpleiness

charts/sourcegraph/README.md

@@ -61,7 +61,7 @@ In addition to the documented values, all services also support the following va
 | codeInsightsDB.enabled | bool | `true` | Enable `codeinsights-db` PostgreSQL server |
 | codeInsightsDB.env | object | `{}` | Environment variables for the `codeinsights-db` container |
 | codeInsightsDB.existingConfig | string | `""` | Name of existing ConfigMap for `codeinsights-db`. It must contain a `postgresql.conf` key. |
-| codeInsightsDB.image.defaultTag | string | `"insiders"` | Docker image tag for the `codeinsights-db` image |
+| codeInsightsDB.image.defaultTag | string | `"5.10.1164"` | Docker image tag for the `codeinsights-db` image |
 | codeInsightsDB.image.name | string | `"postgresql-16-codeinsights"` | Docker image name for the `codeinsights-db` image |
 | codeInsightsDB.init.containerSecurityContext | object | `{"allowPrivilegeEscalation":false,"readOnlyRootFilesystem":true,"runAsGroup":70,"runAsUser":70}` | Security context for the `alpine` initContainer, learn more from the [Kubernetes documentation](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container) |
 | codeInsightsDB.name | string | `"codeinsights-db"` | Name used by resources. Does not affect service names or PVCs. |
@@ -81,7 +81,7 @@ In addition to the documented values, all services also support the following va
 | codeIntelDB.containerSecurityContext | object | `{"allowPrivilegeEscalation":false,"readOnlyRootFilesystem":true,"runAsGroup":999,"runAsUser":999}` | Security context for the `codeintel-db` container, learn more from the [Kubernetes documentation](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container) |
 | codeIntelDB.enabled | bool | `true` | Enable `codeintel-db` PostgreSQL server |
 | codeIntelDB.existingConfig | string | `""` | Name of existing ConfigMap for `codeintel-db`. It must contain a `postgresql.conf` key |
-| codeIntelDB.image.defaultTag | string | `"insiders"` | Docker image tag for the `codeintel-db` image |
+| codeIntelDB.image.defaultTag | string | `"5.10.1164"` | Docker image tag for the `codeintel-db` image |
 | codeIntelDB.image.name | string | `"postgresql-16"` | Docker image name for the `codeintel-db` image |
 | codeIntelDB.name | string | `"codeintel-db"` | Name used by resources. Does not affect service names or PVCs. |
 | codeIntelDB.podSecurityContext | object | `{"fsGroup":999,"fsGroupChangePolicy":"OnRootMismatch","runAsUser":999}` | Security context for the `codeintel-db` pod, learn more from the [Kubernetes documentation](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) |
@@ -223,7 +223,7 @@ In addition to the documented values, all services also support the following va
 | pgsql.containerSecurityContext | object | `{"allowPrivilegeEscalation":false,"readOnlyRootFilesystem":true,"runAsGroup":999,"runAsUser":999}` | Security context for the `pgsql` container, learn more from the [Kubernetes documentation](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-container) |
 | pgsql.enabled | bool | `true` | Enable `pgsql` PostgreSQL server |
 | pgsql.existingConfig | string | `""` | Name of existing ConfigMap for `pgsql`. It must contain a `postgresql.conf` key |
-| pgsql.image.defaultTag | string | `"insiders"` | Docker image tag for the `pgsql` image |
+| pgsql.image.defaultTag | string | `"5.10.1164"` | Docker image tag for the `pgsql` image |
 | pgsql.image.name | string | `"postgresql-16"` | Docker image name for the `pgsql` image |
 | pgsql.name | string | `"pgsql"` | Name used by resources. Does not affect service names or PVCs. |
 | pgsql.podSecurityContext | object | `{"fsGroup":999,"fsGroupChangePolicy":"OnRootMismatch","runAsGroup":999,"runAsUser":999}` | Security context for the `pgsql` pod, learn more from the [Kubernetes documentation](https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod) |

charts/sourcegraph/values.yaml

@@ -174,7 +174,7 @@ codeInsightsDB:
   additionalConfig: ""
   image:
     # -- Docker image tag for the `codeinsights-db` image
-    defaultTag: insiders
+    defaultTag: 5.10.1164
     # -- Docker image name for the `codeinsights-db` image
     name: "postgresql-16-codeinsights"
   # -- Security context for the `codeinsights-db` container,
@@ -245,7 +245,7 @@ codeIntelDB:
   additionalConfig: ""
   image:
     # -- Docker image tag for the `codeintel-db` image
-    defaultTag: insiders
+    defaultTag: 5.10.1164
     # -- Docker image name for the `codeintel-db` image
     name: "postgresql-16"
   # -- Security context for the `codeintel-db` container,
@@ -729,7 +729,7 @@ pgsql:
   additionalConfig: ""
   image:
     # -- Docker image tag for the `pgsql` image
-    defaultTag: insiders
+    defaultTag: 5.10.1164
     # -- Docker image name for the `pgsql` image
     name: "postgresql-16"
   # -- Security context for the `pgsql` container,