workflows: Add back a settings.xml file to use OSSRH Snapshots

This was working locally because I have it in my config, but we need it
when running in a  GitHub action.

.github/workflows/analyze.yml

@@ -22,4 +22,4 @@ jobs:
           distribution: 'adopt'
 
       - name: Build and analyze SDK
-        run: mvn clean install -Panalyze --no-transfer-progress
+        run: mvn clean install -Panalyze --no-transfer-progress -s .github/workflows/settings.xml

.github/workflows/benchmark.yml

@@ -20,7 +20,7 @@ jobs:
           distribution: 'adopt'
 
       - name: Run benchmark
-        run: mvn clean install -Pbenchmark --no-transfer-progress
+        run: mvn clean install -Pbenchmark --no-transfer-progress -s .github/workflows/settings.xml
 
       # Download previous benchmark result from cache (if exists)
       - name: Download previous benchmark data

.github/workflows/settings.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <profiles>
+    <profile>
+      <id>repositories</id>
+      <activation>
+        <activeByDefault>true</activeByDefault>
+      </activation>
+      <repositories>
+        <repository>
+          <id>ossrh</id>
+          <name>OSSRH Snapshots</name>
+          <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
+          <releases>
+            <enabled>false</enabled>
+          </releases>
+          <snapshots>
+            <enabled>true</enabled>
+          </snapshots>
+        </repository>
+      </repositories>
+    </profile>
+  </profiles>
+</settings>