chore: workflow runner fixes (#436)

Assorted changes to get workflows working again:

- Update format workflows to use ubuntu-22.04
- Update windows-2019 to windows-2022 and add a missing <string> include needed to
  build with that
- Enable manual triggering of workflows

Fixes #435

---------

Signed-off-by: Michael Warres <[email protected]>

Author: mpwarres

.github/workflows/format.yml

@@ -31,6 +31,8 @@ on:
   schedule:
     - cron: '0 0 * * *'
 
+  workflow_dispatch:
+
 concurrency:
 
   group: ${{ github.head_ref || github.run_id }}-${{ github.workflow }}
@@ -41,7 +43,7 @@ jobs:
   addlicense:
     name: verify licenses
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -61,7 +63,7 @@ jobs:
   buildifier:
     name: check format with buildifier
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -99,7 +101,7 @@ jobs:
   clang_format:
     name: check format with clang-format
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -115,7 +117,7 @@ jobs:
   clang_tidy:
     name: check format with clang-tidy
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v2

.github/workflows/test.yml

@@ -31,6 +31,8 @@ on:
   schedule:
     - cron: '0 0 * * *'
 
+  workflow_dispatch:
+
 concurrency:
 
   group: ${{ github.head_ref || github.run_id }}-${{ github.workflow }}
@@ -127,7 +129,7 @@ jobs:
           flags: --config=clang-tsan
         - name: 'NullVM on Windows/x86_64'
           engine: 'null'
-          os: windows-2019
+          os: windows-2022
           arch: x86_64
           action: test
           targets: -//test/fuzz/...

include/proxy-wasm/signature_util.h

@@ -14,6 +14,7 @@
 
 #pragma once
 
+#include <string>
 #include <string_view>
 
 namespace proxy_wasm {