Update tycho to 2.7.5

Change-Id: I5ef981cf9f01cc8493dc6178938819f5e086f26a

org.eclipse.jgit.packaging/pom.xml

diff --git a/org.eclipse.jgit.packaging/pom.xml b/org.eclipse.jgit.packaging/pom.xml
index 56946fa..895a4ac 100644
--- a/org.eclipse.jgit.packaging/pom.xml
+++ b/org.eclipse.jgit.packaging/pom.xml
@@ -23,7 +23,7 @@
 
   <properties>
     <java.version>11</java.version>
-    <tycho-version>2.6.0</tycho-version>
+    <tycho-version>2.7.5</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
     <target-platform>jgit-4.17</target-platform>
   </properties>