vuln-fix: Use HTTPS instead of HTTP to resolve deps CVE-2021-26291

This fixes a security vulnerability in this project where the `pom.xml`
files were configuring Maven to resolve dependencies over HTTP instead of
HTTPS.

Weakness: CWE-829: Inclusion of Functionality from Untrusted Control Sphere
Severity: High
CVSSS: 8.1
Detection: CodeQL & OpenRewrite (https://public.moderne.io/recipes/org.openrewrite.maven.security.UseHttpsForRepositories)

Reported-by: Jonathan Leitschuh <[email protected]>
Signed-off-by: Jonathan Leitschuh <[email protected]>

Bug-tracker: JLLeitschuh/security-research#8

Co-authored-by: Moderne <[email protected]>

pom.xml

@@ -44,7 +44,7 @@
     <repositories>
         <repository>
             <id>central</id>
-            <url>http://repo1.maven.org/maven2</url>
+            <url>https://repo1.maven.org/maven2</url>
             <releases>
                 <enabled>true</enabled>
             </releases>
@@ -54,7 +54,7 @@
         </repository>
         <repository>
             <id>java.net</id>
-            <url>http://download.java.net/maven/2/</url>
+            <url>https://download.java.net/maven/2/</url>
             <releases>
                 <enabled>true</enabled>
             </releases>