[git] Add hashes to requirements.txt for extra security (#92305)

https://pip.pypa.io/en/stable/topics/secure-installs/

.github/workflows/issue-release-workflow.yml

@@ -53,7 +53,7 @@ jobs:
 
       - name: Setup Environment
         run: |
-          pip install -r ./llvm/utils/git/requirements.txt
+          pip install --require-hashes -r ./llvm/utils/git/requirements.txt
           ./llvm/utils/git/github-automation.py --token ${{ github.token }} setup-llvmbot-git
 
       - name: Backport Commits

.github/workflows/issue-subscriber.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup Automation Script
         working-directory: ./llvm/utils/git/
         run: |
-          pip install -r requirements.txt
+          pip install --require-hashes -r requirements.txt
 
       - name: Update watchers
         working-directory: ./llvm/utils/git/

.github/workflows/merged-prs.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Setup Automation Script
         working-directory: ./llvm/utils/git/
         run: |
-          pip install -r requirements.txt
+          pip install --require-hashes -r requirements.txt
 
       - name: Add Buildbot information comment
         working-directory: ./llvm/utils/git/

.github/workflows/new-prs.yml

@@ -43,7 +43,7 @@ jobs:
       - name: Setup Automation Script
         working-directory: ./llvm/utils/git/
         run: |
-          pip install -r requirements.txt
+          pip install --require-hashes -r requirements.txt
 
       - name: Greet Author
         working-directory: ./llvm/utils/git/

.github/workflows/pr-request-release-note.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Install Dependencies
         run: |
-          pip install -r llvm/utils/git/requirements.txt
+          pip install --require-hashes -r llvm/utils/git/requirements.txt
 
       - name: Request Release Note
         env:

.github/workflows/pr-subscriber.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup Automation Script
         working-directory: ./llvm/utils/git/
         run: |
-          pip install -r requirements.txt
+          pip install --require-hashes -r requirements.txt
 
       - name: Update watchers
         working-directory: ./llvm/utils/git/

.github/workflows/release-binaries.yml

@@ -47,7 +47,7 @@ jobs:
 
     - name: Install Dependencies
       run: |
-        pip install -r ./llvm/utils/git/requirements.txt
+        pip install --require-hashes -r ./llvm/utils/git/requirements.txt
 
     - name: Check Permissions
       env:

.github/workflows/version-check.yml

@@ -23,7 +23,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install -r ./llvm/utils/git/requirements.txt
+          pip install --require-hashes -r ./llvm/utils/git/requirements.txt
 
       - name: Version Check
         run: |