Fix some issues reported by lintian

Fix some issues reported by lintian

• Bump debhelper from old 11 to 12. (package-uses-old-debhelper-compat-version)
• Set debhelper-compat version in Build-Depends. (uses-debhelper-compat-file)
• Re-export upstream signing key without extra signatures. (public-upstream-key-not-minimal)

This merge proposal was created automatically by the Janitor bot.

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The bot will automatically update the merge proposal to resolve merge conflicts or close the merge proposal when all changes are applied through other means (e.g. cherry-picks). Updates may take several hours to propagate.

Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/gnupg1/bbfa58ce-298b-4225-990c-6768f95ec1d3.

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/12/aa9bbd02ea8c65ef15f01458c9f0e5e9eeabd4.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/1a/7aadbf0c34a6124201af918b70085712c8d5e3.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/78/137c4a79b9b65c53623fdb43c91eadb3f7afaa.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/af/54a36bfc3738d0471573c23e09002f0eb62c28.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/cd/3b8ac21103b456c24ffbb8737d791bb378a5ad.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/dc/55ef7cbdc8a28838cd8ff25d0b82ab2f88bee2.debug
-rw-r--r--  root/root   /usr/lib/debug/.dwz/x86_64-linux-gnu/gnupg1.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/14/e751d0275209d03e8c19c80e1947e4ebc3b456.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/46/c442bfd98a6e478fcc660a39c9c9071c28e85d.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/47/36074071c61c0dfd65413a2c94da5231d49a45.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/5b/453fcf57cebb849359cd795658ba21d41f7afc.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/ba/1963213d8fa98ac30c35eea44f02ec6eefc0a0.debug
-rw-r--r--  root/root   /usr/lib/debug/.build-id/d7/b728b85cf08faee7ba91db081ad5240404e35d.debug

No differences were encountered between the control files of package **gnupg1**

Control files of package gnupg1-dbgsym: lines which differ (wdiff format)

• Build-Ids: 14e751d0275209d03e8c19c80e1947e4ebc3b456 46c442bfd98a6e478fcc660a39c9c9071c28e85d 4736074071c61c0dfd65413a2c94da5231d49a45 ba1963213d8fa98ac30c35eea44f02ec6eefc0a0 d7b728b85cf08faee7ba91db081ad5240404e35d 12aa9bbd02ea8c65ef15f01458c9f0e5e9eeabd4 1a7aadbf0c34a6124201af918b70085712c8d5e3 78137c4a79b9b65c53623fdb43c91eadb3f7afaa af54a36bfc3738d0471573c23e09002f0eb62c28 dc55ef7cbdc8a28838cd8ff25d0b82ab2f88bee2

No differences were encountered between the control files of package **gnupg1-l10n**

No differences were encountered between the control files of package **gpgv1**

Control files of package gpgv1-dbgsym: lines which differ (wdiff format)

• Build-Ids: 5b453fcf57cebb849359cd795658ba21d41f7afc cd3b8ac21103b456c24ffbb8737d791bb378a5ad

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