.github/workflows: Pin actions versions to SHAs (#174)

Reference: https://github.com/hashicorp/terraform-providers-devex-internal/issues/118

Author: bflad

.github/workflows/add-content-to-project.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Set Issue to 'Priority = Triage Next'"
-        uses: leonsteinhaeuser/[email protected]
+        uses: leonsteinhaeuser/project-beta-automations@7f947733020ee03daa363d16ea1223717b132f11 # v2.0.1
         if: github.event_name == 'issues'
         with:
           gh_token: ${{ secrets.TF_DEVEX_PROJECT_GITHUB_TOKEN }}
@@ -29,7 +29,7 @@ jobs:
           operation_mode: custom_field
           custom_field_values: '[{\"name\":\"Priority\",\"type\":\"single_select\",\"value\":\"Triage Next\"}]'
       - name: "Set Pull Request to 'Priority = Triage Next'"
-        uses: leonsteinhaeuser/[email protected]
+        uses: leonsteinhaeuser/project-beta-automations@7f947733020ee03daa363d16ea1223717b132f11 # v2.0.1
         if: github.event_name == 'pull_request_target'
         with:
           gh_token: ${{ secrets.TF_DEVEX_PROJECT_GITHUB_TOKEN }}

.github/workflows/issue-comment-created.yml

@@ -8,7 +8,7 @@ jobs:
   issue_comment_triage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions-ecosystem/action-remove-labels@v1
+      - uses: actions-ecosystem/action-remove-labels@2ce5d41b4b6aa8503e285553f75ed56e0a40bae0 # v1.3.0
         with:
           labels: |
             stale

.github/workflows/issue-opened.yml

@@ -8,8 +8,8 @@ jobs:
   issue_triage:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: github/issue-labeler@v2
+    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+    - uses: github/issue-labeler@6ca237433dbbb8e475241b7f38f4600d9e296c57 # v2.5
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
         configuration-path: .github/labeler-issue-triage.yml

.github/workflows/pull-request.yml

@@ -11,11 +11,11 @@ jobs:
   triage:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/labeler@v4
+    - uses: actions/labeler@5c7539237e04b714afd8ad9b4aed733815b9fab4 # v4.0.2
       with:
         configuration-path: .github/labeler-pull-request-triage.yml
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
-    - uses: CodelyTV/pr-size-labeler@v1
+    - uses: CodelyTV/pr-size-labeler@54ef36785e9f4cb5ecf1949cfc9b00dbb621d761 # v1.8.1
       with:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         xs_label: 'size/XS'

.github/workflows/release.yml

@@ -14,26 +14,26 @@ jobs:
     outputs:
       version: ${{ steps.go-version.outputs.version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
       - id: go-version
         run: echo "::set-output name=version::$(cat ./.go-version)"
   release-notes:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           fetch-depth: 0
       - name: Generate Release Notes
         run: sed -n -e "1{/# /d;}" -e "2{/^$/d;}" -e "/# $(git describe --abbrev=0 --exclude="$(git describe --abbrev=0 --match='v*.*.*' --tags)" --match='v*.*.*' --tags | tr -d v)/q;p" CHANGELOG.md > release-notes.txt
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
         with:
           name: release-notes
           path: release-notes.txt
           retention-days: 1
   terraform-provider-release:
     name: 'Terraform Provider Release'
     needs: [go-version, release-notes]
-    uses: hashicorp/ghaction-terraform-provider-release/.github/workflows/hashicorp.yml@v2
+    uses: hashicorp/ghaction-terraform-provider-release/.github/workflows/hashicorp.yml@106e6d08159ccec423310cc2c706bae59f46c09c # v2.2.0
     secrets:
       hc-releases-github-token: '${{ secrets.HASHI_RELEASES_GITHUB_TOKEN }}'
       hc-releases-host-staging: '${{ secrets.HC_RELEASES_HOST_STAGING }}'

.github/workflows/test.yml

@@ -20,13 +20,13 @@ jobs:
     steps:
 
     - name: Set up Go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
       with:
         go-version: '1.18'
       id: go
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v3
+      uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
     - name: Go fmt
       run: |
@@ -59,13 +59,13 @@ jobs:
     steps:
 
     - name: Set up Go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
       with:
         go-version: '1.18'
       id: go
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v3
+      uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
     - name: TF acceptance tests
       timeout-minutes: 10