I am uploading a NMU to fix this. The debdiff is attached.
diff -Nru argus-clients-3.0.8.2/debian/changelog
argus-clients-3.0.8.2/debian/changelog
--- argus-clients-3.0.8.2/debian/changelog 2021-10-01 22:44:40.000000000
+0200
+++ argus-clients-3.0.8.2/debian/changelog 2023-07-01 20:20:39.000000000
+0200
@@ -1,3 +1,10 @@
+argus-clients (1:3.0.8.2-6.2) unstable; urgency=medium
+
+ * Non-maintainer upload
+ * Drop unused Build-Depends: libpcre3-dev (Closes: #1000103)
+
+ -- Bastian Germann <b...@debian.org> Sat, 01 Jul 2023 20:20:39 +0200
+
argus-clients (1:3.0.8.2-6.1) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru argus-clients-3.0.8.2/debian/control
argus-clients-3.0.8.2/debian/control
--- argus-clients-3.0.8.2/debian/control 2021-10-01 22:06:01.000000000
+0200
+++ argus-clients-3.0.8.2/debian/control 2023-07-01 20:20:30.000000000
+0200
@@ -2,7 +2,7 @@
Section: utils
Priority: optional
Maintainer: Michael Stone <mst...@debian.org>
-Build-Depends: debhelper (>= 12), libreadline-dev, zlib1g-dev, libpcre3-dev,
bison, flex, libncurses5-dev, libwrap0-dev, libsasl2-dev, libgeoip-dev,
default-libmysqlclient-dev
+Build-Depends: debhelper (>= 12), libreadline-dev, zlib1g-dev, bison, flex,
libncurses5-dev, libwrap0-dev, libsasl2-dev, libgeoip-dev,
default-libmysqlclient-dev
Standards-Version: 4.5.0
Homepage: http://qosient.com/argus
