feat(docs): add Linux distribution name and version properties to searchable properties

Author: JoshuaMoelans

docs/concepts/search/searchable-properties/events.mdx

@@ -472,6 +472,18 @@ The independent kernel version string. This is typically the entire output of th
 
 - **Type:** string
 
+### `os.distribution_name`
+
+The Linux distribution name. This maps to `ID` in [`/etc/os-release/`](https://www.freedesktop.org/software/systemd/man/latest/os-release.html).
+
+- **Type:** string
+
+### `os.distribution_version`
+
+The Linux distribution version. This maps to `VERSION_ID` in  [`/etc/os-release/`](https://www.freedesktop.org/software/systemd/man/latest/os-release.html).
+
+- **Type:** string
+
 ### `percentile(field,level)`
 
 Returns results with an approximate percentile of the field to the level. The level can be between `0` and `1`. For example, if you wanted to find the 50th percentile of transaction durations, you would enter `percentile(transaction.duration, 0.5)`.

docs/concepts/search/searchable-properties/issues.mdx

@@ -292,6 +292,18 @@ The independent kernel version string. This is typically the entire output of th
 
 - **Type:** string
 
+### `os.distribution_name`
+
+The Linux distribution name. This maps to `ID` in [`/etc/os-release/`](https://www.freedesktop.org/software/systemd/man/latest/os-release.html).
+
+- **Type:** string
+
+### `os.distribution_version`
+
+The Linux distribution version. This maps to `VERSION_ID` in  [`/etc/os-release/`](https://www.freedesktop.org/software/systemd/man/latest/os-release.html).
+
+- **Type:** string
+
 ### `platform.name`
 
 Name of the platform