patch 8.2.4986: some github actions are outdated

Problem:    Some github actions are outdated.
Solution:   Update CodeQl to v2, update checkout to v3. (closes #10450)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 438bfd9..62be12d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,7 @@
             extra: vimtags
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install packages
         run: |
@@ -295,7 +295,7 @@
         features: [tiny, normal, huge]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install packages
         if: matrix.features == 'huge'
@@ -432,7 +432,7 @@
           msystem: ${{ matrix.msystem }}
           release: false
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Create a list of download URLs
         shell: cmd
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 6ec3f42..6b9db03 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -37,11 +37,11 @@
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -52,7 +52,7 @@
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v1
+      uses: github/codeql-action/autobuild@v2
 
     # â„šī¸ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -66,4 +66,4 @@
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2
diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index 4b3ee19..7d9341e 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -13,7 +13,7 @@
       DEBIAN_FRONTEND: noninteractive
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Download Coverity
         run: |
diff --git a/src/version.c b/src/version.c
index 09bf61d..b098a73 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4986,
+/**/
     4985,
 /**/
     4984,