Fix some issues reported by lintian

Fix some issues reported by lintian

• Bump debhelper from deprecated 9 to 12. (package-uses-deprecated-debhelper-compat-version)
• Set debhelper-compat version in Build-Depends. (uses-debhelper-compat-file)
• Set upstream metadata fields: Bug-Database, Bug-Submit, Repository, Repository-Browse. (upstream-metadata-file-is-missing, upstream-metadata-missing-bug-tracking, upstream-metadata-missing-repository)
• Drop unnecessary dh arguments: --parallel (debian-rules-uses-unnecessary-dh-argument)

This merge proposal was created automatically by the Janitor bot.

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Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/lucene++/55e1a4bc-b99b-46c6-ac5f-f2f9587d6e37.

Debdiff

These changes affect the binary packages:

[The following lists of changes regard files as different if they have different names, permissions or owners.]

Files in second set of .debs but not in first

-rw-r--r--  root/root   /usr/lib/debug/.build-id/68/d6fbd762cabe27c31add91cb6452ed4cf88c30.debug
-rw-r--r--  root/root   /usr/share/doc/liblucene++-dev/examples/deletefiles/main.cpp
-rw-r--r--  root/root   /usr/share/doc/liblucene++-dev/examples/deletefiles/msvc/deletefiles.vcproj
-rw-r--r--  root/root   /usr/share/doc/liblucene++-dev/examples/indexfiles/main.cpp
-rw-r--r--  root/root   /usr/share/doc/liblucene++-dev/examples/indexfiles/msvc/indexfiles.vcproj
-rw-r--r--  root/root   /usr/share/doc/liblucene++-dev/examples/searchfiles/main.cpp
-rw-r--r--  root/root   /usr/share/doc/liblucene++-dev/examples/searchfiles/msvc/searchfiles.vcproj

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/3b/d99d65443800e5a0db5913c3a0c1c4e54c927b.debug
-rw-r--r--  root/root   /usr/share/doc/liblucene++-doc/examples/deletefiles/main.cpp
-rw-r--r--  root/root   /usr/share/doc/liblucene++-doc/examples/deletefiles/msvc/deletefiles.vcproj.gz
-rw-r--r--  root/root   /usr/share/doc/liblucene++-doc/examples/indexfiles/main.cpp.gz
-rw-r--r--  root/root   /usr/share/doc/liblucene++-doc/examples/indexfiles/msvc/indexfiles.vcproj.gz
-rw-r--r--  root/root   /usr/share/doc/liblucene++-doc/examples/searchfiles/main.cpp.gz
-rw-r--r--  root/root   /usr/share/doc/liblucene++-doc/examples/searchfiles/msvc/searchfiles.vcproj.gz

Control files of package liblucene++-contrib0v5: lines which differ (wdiff format)

• Depends: libc6 (>= 2.29), libgcc-s1 (>= 3.0), liblucene++0v5, liblucene++0v5 (>= 3.0.7), libstdc++6 (>= 9)

Control files of package liblucene++-contrib0v5-dbgsym: lines which differ (wdiff format)

• Build-Ids: 3bd99d65443800e5a0db5913c3a0c1c4e54c927b 68d6fbd762cabe27c31add91cb6452ed4cf88c30

No differences were encountered between the control files of package **liblucene++-dev**

No differences were encountered between the control files of package **liblucene++-doc**

No differences were encountered between the control files of package **liblucene++0v5**

No differences were encountered between the control files of package **liblucene++0v5-dbgsym**

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