URL Cleanup (pgjdbc#84)

This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

# Fixed URLs

## Fixed Success
These URLs were switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

* http://www.apache.org/licenses/LICENSE-2.0 migrated to:
  https://www.apache.org/licenses/LICENSE-2.0 ([https](https://www.apache.org/licenses/LICENSE-2.0) result 200).
* http://www.reactive-streams.org/reactive-streams-1.0.2-javadoc/ migrated to:
  https://www.reactive-streams.org/reactive-streams-1.0.2-javadoc/ ([https](https://www.reactive-streams.org/reactive-streams-1.0.2-javadoc/) result 200).

# Ignored
These URLs were intentionally ignored.

* http://maven.apache.org/POM/4.0.0
* http://maven.apache.org/xsd/maven-4.0.0.xsd
* http://www.w3.org/2001/XMLSchema-instance

Author: Spring Operator

mvnw

@@ -8,7 +8,7 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+#    https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an

mvnw.cmd

@@ -7,7 +7,7 @@
 @REM "License"); you may not use this file except in compliance
 @REM with the License.  You may obtain a copy of the License at
 @REM
-@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM    https://www.apache.org/licenses/LICENSE-2.0
 @REM
 @REM Unless required by applicable law or agreed to in writing,
 @REM software distributed under the License is distributed on an

pom.xml

@@ -5,7 +5,7 @@
   ~ you may not use this file except in compliance with the License.
   ~ You may obtain a copy of the License at
   ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~      https://www.apache.org/licenses/LICENSE-2.0
   ~
   ~ Unless required by applicable law or agreed to in writing, software
   ~ distributed under the License is distributed on an "AS IS" BASIS,
@@ -202,7 +202,7 @@
                     </excludePackageNames>
                     <links>
                         <link>https://projectreactor.io/docs/core/release/api/</link>
-                        <link>http://www.reactive-streams.org/reactive-streams-1.0.2-javadoc/</link>
+                        <link>https://www.reactive-streams.org/reactive-streams-1.0.2-javadoc/</link>
                     </links>
                 </configuration>
                 <executions>