Revert "build: Update dependency org.ajoberstar.grgit:grgit-gradle to v5 (#1611)"

This reverts commit cf0a21d

Apparently that doesn't integrate that seamless in all environments.

.github/workflows/codeql.yml

@@ -0,0 +1,37 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'java' ]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v1
+        with:
+          languages: ${{ matrix.language }}
+
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v1
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v1

buildSrc/build.gradle.kts

@@ -29,7 +29,7 @@ val properties = Properties().also { props ->
 
 dependencies {
     implementation(gradleApi())
-    implementation("org.ajoberstar.grgit:grgit-gradle:5.0.0")
+    implementation("org.ajoberstar.grgit:grgit-gradle:4.1.1")
     implementation("gradle.plugin.com.github.johnrengelman:shadow:7.1.2")
     implementation("io.papermc.paperweight.userdev:io.papermc.paperweight.userdev.gradle.plugin:1.3.4")
 }