Version lock the github actions actions. (#26933)

* Version lock the github actions actions.

* Work around https://github.com/actions/runner-images/pull/6196

.github/workflows/trustedPR.yml

@@ -15,7 +15,7 @@ jobs:
   comment:
     permissions:
       pull-requests: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     if: >
       ${{ github.event.workflow_run.event == 'pull_request' &&
       github.event.workflow_run.conclusion == 'success' }}

.github/workflows/untrustedPR.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - uses: actions/checkout@v3
@@ -32,6 +32,8 @@ jobs:
 
           git --version
 
+          export VCPKG_ROOT=.
+
           git diff --name-status --merge-base HEAD^ HEAD --diff-filter=MAR -- '*portfile.cmake' | sed 's/[MAR]\t*//' | while read filename; do grep -q -E '(vcpkg_install_cmake|vcpkg_build_cmake|vcpkg_configure_cmake|vcpkg_fixup_cmake_targets)' "$filename" && echo " - \`$filename\`" || true; done > .github-pr.deprecated-cmake
           git diff --name-status --merge-base HEAD^ HEAD --diff-filter=MAR -- '*vcpkg.json' | sed 's/[MAR]\t*//' > .github-pr.changed-manifest-files
           cat .github-pr.changed-manifest-files | while read filename; do grep -q -E '"license": ' "$filename" || echo " - \`$filename\`" || true; done > .github-pr.missing-license

.github/workflows/validateDocs.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   validate:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout