tests: increase the timeouts in wget/build.exp

To try to fix the following errors[1] [2]:

    runner@fv-az298-480:~/work/firejail/firejail/test/utils$
    <irejail --build wget --output-document=~ debian.org
    [...]
    Resolving www.debian.org (www.debian.org)... 128.31.0.62
    Connecting to www.debian.org (www.debian.org)|128.31.0.62|:443... connected.
    TESTING ERROR 13

    runner@fv-az305-745:~/work/firejail/firejail/test/sysutils$
    <ysutils$ firejail --ignore=quiet wget -q debian.org
    [...]
    firejail wget -q debian.org
    Child process initialized in 106.89 ms
    TESTING ERROR 2

[1] https://github.com/netblue30/firejail/actions/runs/5996420917/job/16278071977?pr=5979
[2] https://github.com/netblue30/firejail/actions/runs/5996420917/job/16278071219?pr=5979

test/sysutils/wget.exp

@@ -3,7 +3,7 @@
 # Copyright (C) 2014-2023 Firejail Authors
 # License GPL v2
 
-set timeout 10
+set timeout 30
 spawn $env(SHELL)
 match_max 100000
 

test/utils/build.exp

@@ -94,6 +94,9 @@ expect {
 }
 after 100
 
+# increase the timeout for remote services
+set timeout 30
+
 send -- "firejail --build wget --output-document=~ debian.org\r"
 expect {
 	timeout {puts "TESTING ERROR 13\n";exit}