Add a 7.5.0 version.

lucene/CHANGES.txt

@@ -107,6 +107,9 @@ Optimizations
   or phrase queries as sub queries, which know how to leverage this information
   to run faster. (Adrien Grand)
 
+======================= Lucene 7.5.0 =======================
+(No Changes)
+
 ======================= Lucene 7.4.0 =======================
 
 API Changes

lucene/core/src/java/org/apache/lucene/util/Version.java

@@ -89,6 +89,13 @@ public final class Version {
   @Deprecated
   public static final Version LUCENE_7_4_0 = new Version(7, 4, 0);
 
+  /**
+   * Match settings and bugs in Lucene's 7.5.0 release.
+   * @deprecated Use latest
+   */
+  @Deprecated
+  public static final Version LUCENE_7_5_0 = new Version(7, 5, 0);
+
   /**
    * Match settings and bugs in Lucene's 8.0.0 release.
    * <p>

solr/CHANGES.txt

@@ -45,6 +45,23 @@ Upgrade Notes
   MemoryDocValues). If you used postingsFormat="Memory" or docValuesFormat="Memory"
   switch to "Direct" instead. (Dawid Weiss)
 
+==================  7.5.0 ==================
+
+Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
+
+Versions of Major Components
+---------------------
+Apache Tika 1.17
+Carrot2 3.16.0
+Velocity 1.7 and Velocity Tools 2.0
+Apache UIMA 2.3.1
+Apache ZooKeeper 3.4.11
+Jetty 9.4.10.v20180503
+
+
+(No Changes)
+
+
 ==================  7.4.0 ==================
 
 Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.